Check configuration error with 118.3

Can anyone help me with this?

When I run check configuration prior to updating too 118.2 or 118.3 I get the following error:

[13:20:41] INFO: Setup udev devices
[13:20:44] INFO: Don't worry, this temporary installation is not overwriting your current one.
[13:20:44] INFO: Installing Home Assistant: latest...
[13:20:44] INFO: Please be patient, this might take a few minutes...
[13:23:21] INFO: Installed Home Assistant 0.118.3
[13:23:21] INFO: Making a copy of your configuration for checking...
[13:23:32] INFO: Checking your configuration against this version...
[13:24:42] ERROR: The configuration check did not pass!
[13:24:42] ERROR: See the output below for more details.
Testing configuration at /tmp/config
Fatal error while loading config: 'int' object is not iterable
Failed config
  General Errors: 
    - 'int' object is not iterable

Successful config (partial)
[13:24:42] INFO: The full output has been written to /share/check_config.txt

The config.txt file contains the following:

INFO:homeassistant.util.package:Attempting install of colorlog==4.5.0
e[01mTesting configuration at /tmp/confige[0m
INFO:homeassistant.util.package:Attempting install of mutagen==1.45.1
INFO:homeassistant.util.package:Attempting install of aiohttp_cors==0.7.0
INFO:homeassistant.util.package:Attempting install of gTTS-token==1.1.4
INFO:homeassistant.util.package:Attempting install of python-forecastio==1.4.0
e[31mFatal error while loading config:e[0m 'int' object is not iterable
e[01;37mFailed confige[0m
  e[01;31mGeneral Errors:e[0m e[31me[31m
    - 'int' object is not iterable
e[0m
e[01;37mSuccessful config (partial)e[0m

Does anyone have any suggestions of what’s causing this problem and how to fix it?

Thanks

Frank